Abstract
IN a paper in Roads and Streets of December, Prof. R. A. Moyer gives some interesting results of experiments on skidding tests at various speeds obtained under all kinds of weather conditions. He finds that all surfaces, except gravel and cinders, increase in slipperiness with an increase in speed. The great majority of skidding accidents occur with wet or icy or snow-covered roads. He says that in no circumstances should a driver with chains go at more than 30 miles an hour on icy rural highways, or at more than fifteen miles an hour on city streets. To prevent skids, the roads should be sprinkled with sand or cinders treated with calcium chloride. The salt hastens the process of embedding the gritty material into the ice. Snow is not nearly so dangerous as ice from the point of view of skidding, but mud-covered pavements can be as dangerous as ice-covered pavements.
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Skidding of Motor-Cars. Nature 137, 198 (1936). https://doi.org/10.1038/137198a0
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DOI: https://doi.org/10.1038/137198a0